Ravens coach John Harbaugh meets with Sister Alexis Fisher (left) and Sister Claudia Sanz after practice. They are from the Oblate Sisters of Providence from Catonsville, the oldest black convent in the world.

Ravens coach John Harbaugh meets with Sister Alexis Fisher (left) and Sister Claudia Sanz after practice. They are from the Oblate Sisters of Providence from Catonsville, the oldest black convent in the world. (Lloyd Fox, Baltimore Sun)